head to head
Counter-Strike: Global Offensive asks more than FIFA 17, and the gap is execution.

Execution · Competitive PvP
Definitive competitive tactical FPS balancing aim mastery with team strategy.

Execution · Competitive PvP
Mechanical football skill plus constant prediction of a human opponent's tendencies.
Counter-Strike: Global Offensive leans Execution (Competitive PvP); FIFA 17 leans Execution (Competitive PvP).
Counter-Strike: Global Offensive leans clearly harder on execution.
Counter-Strike: Global Offensive
Spray control and flick precision at the top
FIFA 17
Dribbling, shooting and defending inputs decide individual duels
Counter-Strike: Global Offensive leans a little harder on reads, though the gap is small.
Counter-Strike: Global Offensive
Anti-stratting and mid-round adaptation
FIFA 17
Human opponents online keep shifting attacking and defending habits
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Counter-Strike: Global Offensive
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FIFA 17
Bounces, deflections and finishing RNG swing tight matches
Counter-Strike: Global Offensive leans a little harder on optimization, though the gap is small.
Counter-Strike: Global Offensive
Utility lineups, economy, and default strats
FIFA 17
Squad chemistry, formations and meta mechanics are studied layers
A matching score does not mean a matching test. Two games can both sit at 10 on execution and demand completely different things of you - which is why the reasoning above matters more than the number beside it.